# Calculate84 vs Common App

The clearest difference is review sentiment: Calculate84 at 75% against Common App's 23%. Calculate84 also leads on rating (4.8 vs 3.0) and update cadence (fortnightly vs every 9 months). Common App's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Calculate84 sells 6 in-app purchases, starting at $2.99 per month. Common App asks for nothing beyond the download.

Calculate84 holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Calculate84 has 54K ratings behind it against 677, so its average is the more settled of the two. Written reviews point the same way: 75% of Calculate84's written reviews are positive against 23% of Common App's.

Calculate84 ships an update fortnightly, Common App every 9 months. The most recent releases landed on October 28, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Calculate84 | Common App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (54K ratings)](https://appshunter.io/ios/app/calculate84/id1459712793/reviews)** | [3.0 (677 ratings)](https://appshunter.io/ios/app/common-app/id1533688509/reviews) |
| Number of ratings | **54K** | 677 |
| Positive reviews | **74.6% of reviews** | 22.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | #81 | **#27** |
| Size | 71 MB | 16 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Century Light LLC](https://appshunter.io/developer/1459712792) | [The Common Application](https://appshunter.io/developer/1030434052) |

## What reviewers say

### Calculate84

[App page](https://appshunter.io/ios/app/calculate84/id1459712793)

**Currently charting:** #81 Top Free · Education (US App Store)

This app offers a modern graphing calculator experience on your iPhone. It features fast, interactive touch-screen graphing, scrollable windows, and intelligent error messages for a more intuitive user experience. Designed to be a usable alternative to physical graphing calculators.

**Highlights:** Fast, interactive touch-screen graphing, Scrollable windows, Intelligent error messages, Intuitive interface, Designed for TI-84 users

**Features:** Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Subscription | $2.99 | per month |
| Annual Pro Subscription | $6.99 | per year |
| Lifetime Subscription | $6.99 | one-time |
| Lifetime Subscription | $9.99 | one-time |
| Lifetime Subscription | $12.99 | one-time |
| Lifetime Pro Subscription | $29.99 | one-time |

**What reviewers like**

- 👍 Identical to TI-84 calculator
- 🚀 Seamless and intuitive user experience
- 💰 Affordable alternative to physical calculator
- 📱 Convenient to have on phone
- 🔍 Comprehensive functionality matching physical calculator

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔍 Missing some advanced features like regression types
- 🔒 Previous purchases removed without warning
- 💰 Subscription model can be expensive
- 📺 Intrusive ads in free version

**Reported bugs**

- Crashes when using 2-sample T/Z interval functions
- Incorrect results for inverse trig functions
- Issues with graphing parabolas and tracing points
- Regression equation not displayed correctly

**Requested features**

- Add TVM solver functionality
- Implement more regression types
- Allow disabling of ads for free users
- Restore previous purchase benefits
- Optimize for mobile experience instead of emulating physical calculator


### Common App

[App page](https://appshunter.io/ios/app/common-app/id1533688509)

**Currently charting:** #27 Top Free · Education (US App Store)

Manage your college applications on the go. This app offers a secure and streamlined way to apply to over 1000 colleges, research financial aid options, and access guidance from counselors, all from your mobile device.

**Highlights:** Apply to 1000+ colleges, Research financial aid, Get counselor advice, Secure application process, Mobile convenience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient mobile app
- 👍 Same functionality as website
- 🎉 Finally available as an app

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔑 Requires re-login every time
- 🚫 Doesn't work for transfer students

**Reported bugs**

- White screen on login
- App doesn't load past logo
- Redirects transfer students to website

**Requested features**

- Keep user logged in for longer
- Increase text box size
- Add back button navigation


## Frequently asked questions

### Is Calculate84 free?

Calculate84 is free to download, with in-app purchases available.

### Is Common App free?

Common App is free to download, with no in-app purchases.

### Which has better reviews, Calculate84 or Common App?

Calculate84 is rated higher. Calculate84 averages 4.8 out of 5 from 54K ratings, while Common App averages 3.0 from 677 ratings.

### Do Calculate84 or Common App have ads?

Calculate84 shows ads; Common App does not.

### Which is updated more often, Calculate84 or Common App?

Calculate84 ships an update fortnightly, and Common App every 9 months. Most recently, Calculate84 was updated on October 28, 2026 and Common App on October 27, 2026.

### Which is more popular, Calculate84 or Common App?

Calculate84 currently peaks at #81 in the App Store charts, and Common App at #27. Chart position reflects recent download velocity rather than total install base.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*